#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()
{
    int a;
    while (scanf("%d", &a) != EOF)
    {
        char star_arr[50][100];
        for (int i = 0; i < a; i++)
        {
            for (int j = 0; j < a; j++)
            {
                if (i == j || i + j == a - 1)
                    printf("*");
                else
                    printf(" ");
            }
            printf("\n");
        }
    }
    return 0;
}
